Complete cutting type belt coil pipe stepped mould for hinger
A technology of progressive dies and sheets, applied in the directions of feeding devices, forming tools, positioning devices, etc., can solve the problem that progressive dies cannot be formed at one time, and achieve the goal of ensuring material utilization, improving productivity, and improving production efficiency. Effect
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[0022] The hinged sheet nesting type progressive die with rolled tube provided in this embodiment includes the following main components:
[0023] 1. As shown in Fig. 1 and Fig. 2, the progressive die part is composed of an upper die and a lower die. The upper die includes an upper template 9, and the lower part of the upper template 9 is respectively connected with the upper backing plate 8, The fixed plate 7 and the unloading plate 6 are provided with a set of stirrup hole punches 10 and a set of guide nails 11 at the front of the upper die; a three-claw pre-puncher 12 and a three-claw sheet are arranged at the rear of the upper die in turn. Punch 13 and the two claw trimming punch 14 of two claw sheet and two claw punch 15. The lower mold includes a lower template 2 and a connected mold base 1. The lower template 2 is connected with the lower backing plates 3, 4 and the concave template 5 in sequence, corresponding to each punch in the upper mold, and the front part of the ...
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